Finding the Fourth Proportional to 423.68, 584.70 and 237.18
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Solution
The fourth proportional to 423.68, 584.70 and 237.18 is: 327.32
Step by Step Solution
- Step 1: Write the proportion equation
423.68 : 584.70 = 237.18 : x - Step 2: Convert to fraction form
423.68/584.70 = 237.18/x - Step 3: Cross multiply
423.68x = 584.70 × 237.18 - Step 4: Simplify right side
423.68x = 138,678.26 - Step 5: Solve for x
x = 138,678.26/423.68 - Step 6: Final answer
x = 327.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.